Original Finnish Sauna: Modern temples and ancient social technologies

This document discusses the history and traditions of the Finnish sauna. It provides an overview of sauna traditions around the world and notes that while saunas declined in Europe in the 15th century, Finland continued the tradition. The document outlines some key features of traditional Finnish saunas, including maintaining temperatures between 70-90 degrees Celsius, high humidity levels, using at least 300kg of stones, and having benches above the stones. It also notes the importance of the invisible features like air, fire and water in the sauna experience.